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Describe viscosity and surface tension in terms of intermolecular forces. Under which conditions (stronger or weaker IMF) will viscosity and surface tension increase?
Find the difference in potential between the bird's feet, assuming they are separated by a distance of 5.5 cm.bvWill your answer to part (a) increase or decrease if the separation between the bird's f
It is found that a 4.40 m segment of a long string contains four complete waves. Write the function that describes this wave traveling in the positive x direction.
Let the distance from the wire be the same as the radius of the solenoid. (c) Compare the magnetic fields produced by the two geometries; the solenoid and the long straight wire.
What recoil velocity does she acquire in response to a single shot from a stationary position, assuming that no external force keeps her in place?
A woman 168 cm tall stands in front of a plane mirror attracted to a vertical wall. What is the minimum length that the mirror must have for the woman to see her entire height?
An Atwood machine consists of two masses, = 7.1 and = 8.7 , connected by a cord that passes over a pulley free to rotate about a fixed axis. The pulley is a solid cylinder of radius = 0.40 and mass
A particle at an antinode oscillates in simple harmonic motion with amplitude 0.850 cm and period 0.0750 s. The string lies along the x axis and is fixed at x = 0. What is the wavelength of the two
If a variety of singly ionized atoms travel at the same speed through the magnetic field, what kind of deflection would you expect?
The chromatic musical scale). The third resonance of a different closed organ pipe has the same frequency. What are the lengths of the two pipes?
A person weighs 612N. If the person sits in the middle of a hammock that is 3.0 m long and sags 1.0m below the points of support, what force would be exerted by each of the two hammock ropes?
The mass of the disk, the block, and the hanging mass are all the same and equal to m. Assume the force of static friction between the block and the table is small enough so that the block slides a
The piston id slowly pushed in until the pressure of the air is increased to 2.5 x10 pa. If the temperature remains constant, what is the final value of the volume?
Calculate the force of gravity between Earth (mass = 6.0 x10^24 kg) and the moon (mass = 7.4x 10^22 kg). The average Earth-moon distance is 3.8 x10^8 m.
Assuming uniform decceleration of this value, calculate the distance over which the front end of the car must be designed to collapse if a crash brings the car to rest from 101 km/h."
If in 0.04 s the wire is reshaped from a circle into a square, but remains in the same plane,what is the magnitude of the average induced emf in the wire during this time?
What is the lower mass limit for a star to have nuclear fusion vs. being a brown dwarf (failed star)?
Observed moving at angles 79.4° and 10.6°, both angles being measured with respect to the original direction of motion. What are the final speeds of the particles?
A rifle is aimed horizontally at a target 60m away. The bullet hits the target 2.0 cm below the aim point. What was the bullet's flight time?
A 55.0kg person is riding in a hot air balloon, and a scale shows this person's weight too be 549N. the acceleration of gravity at the location of the balloon is known to be 9.79 m/s/s. determine t
Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is the final velocity of the car?
A typical cell membrane is 7.96 nm thick and has an electrical resistivity of 1.33E+7 OHMm. If the potential difference between the inner and outer surfaces of a cell membrane is 74.1 mV, how much c
Two Satellites, A and B, are in different circular orbits about the earth. The orbital speed of satellite A is twice that of Satellite B. Find the ratio (Ta/Tb) of the periods of the satellites.
What are the covering factor and mean free path of two star systems colliding
The height of the outer wall is 18 meters. Find (a) the smallest and (b) the largest speed at which the cars can move without relying on friction.